Giresun weather in January

In January, Giresun sees average daytime highs of 9°C and overnight lows near 5°C, with 132 mm of precipitation across 15.6 wet days and about 9.4 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 9°C through the month. The sky is clear or mostly clear about 21% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of January to 9 h 48 min by month's end. Set against the rest of the year, January is Giresun's 12th-clearest and 3rd-windiest month. For the whole year in context, see Giresun's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
132 mm
15.6 wet days
Daylight
9 h 24 min
6:55 AM – 4:17 PM
Cloud cover
70%
12th clearest
Wind
10 km/h
3rd windiest
Solar energy
1.84 kWh/m²
Travel score
1.6
out of 10

Giresun is central district and city in Giresun Province, Turkey.

Air quality
Elevated
PM2.5 21.8 µg/m³ · 2019
Density
396/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 9°C through the month.

A typical January day in Giresun reaches about 9°C in the afternoon and slips back to 5°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 14°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1106
2106
3106
4106
5106
6106
7106
8106
996
1095
1195
1295
1395
1495
1595
1695
1795
1895
1995
2095
2195
2295
2394
2494
2594
2694
2794
2894
2994
3094
3194

Giresun weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 13215.65.49.41.6
Feb / 9813.65.210.41.6
Mar11° / 11915.83.311.72.4
Apr14° / 10614.20.213.13.9
May18° / 14°11013.8014.35.5
Jun22° / 18°9912.4014.96.5
Jul25° / 21°8212.1014.66.8
Aug25° / 21°10213.8013.66.4
Sep23° / 18°17614.6012.36.1
Oct19° / 15°21316.2010.95.4
Nov15° / 11°14912.80.59.74.3
Dec11° / 13114.72.49.12.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23169
33169
43169
53169
63367
73268
83268
93268
103268
113169
123169
133169
143268
153268
163268
173268
183268
193268
203268
213268
223268
233367
243367
253268
263268
273268
283367
293367
303268
313268

Chance of precipitation in January

Any precipitationSnow

Giresun gets around 132 mm of rain and snow over 15.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 49% and peaks near 51% on the wettest days, and about 5 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14510
24611
34611
44712
54712
64712
74812
84813
94913
104913
114914
124914
134914
144915
155015
165016
175016
185017
195018
205019
215119
225120
235121
245122
255122
265123
275123
285123
295123
305023
315023

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 06 min at the start of January to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 6:56 AM to 6:46 AM, and sunset from 4:03 PM to 4:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.16:564:03
29.16:564:04
39.16:574:04
49.16:574:05
59.26:574:06
69.26:574:07
79.26:574:08
89.26:574:09
99.26:564:10
109.26:564:11
119.36:564:12
129.36:564:13
139.36:564:14
149.36:554:15
159.36:554:16
169.46:554:17
179.46:544:18
189.46:544:19
199.46:544:20
209.56:534:21
219.56:534:22
229.56:524:23
239.66:514:24
249.66:514:26
259.66:504:27
269.66:494:28
279.76:494:29
289.76:484:30
299.76:474:32
309.86:464:33
319.86:464:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.84 kWh/m².

For context, solar energy here swings from a low near 1.56 kWh/m² to a high of 6.25 kWh/m² in June across the year — January's 1.84 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.8Dim
171.9Dim
181.9Dim
191.9Dim
201.9Dim
212.0Dim
222.0Dim
232.0Moderate
242.0Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.3Moderate
Planning a trip in January

Is January a good time to visit Giresun?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.6
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Giresun.

What to pack for Giresun in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Giresun sees daytime highs around 9°C and nights near 5°C. Pack a warm layer and rain gear. About 16 days see rain.

a warm layerrain gear

Sea temperature near Giresun in January

The nearest coast averages about 10°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in August at about 25°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 10 to Oct 15 — about 4.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar8Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep24Refreshing
Oct20Cool
Nov16Cool
Dec12Bracing

UV index in Giresun in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Giresun peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowJun 21UV 9Dec 18UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar3Moderate
Apr7High
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Giresun in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Giresun is worst in March — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 16 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Giresun's WHO annual average of 21.8 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2232 µg/m³Dec 1617 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb25Moderate
Mar32Moderate
Apr31Moderate
May24Moderate
Jun19Moderate
Jul20Moderate
Aug21Moderate
Sep18Moderate
Oct19Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Giresun?

Giresun sits at 40.9°N, 38.4°E, 39 m above sea level, in Turkey. The nearest listed city is Bulancak, 13 km away.

Topography around Giresun

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Giresun.

Within 3 km, the terrain around Giresun has significant variations in elevation — a maximum elevation change of 508 m around an average of 76 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,205 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,262 m.

The land around Giresun is covered by water (54%) and trees (32%) within 3 km, trees (51%) and water (47%) within 16 km, and trees (45%), water (31%) and grassland (22%) within 80 km.

3 km
508 m
16 km
1,205 m
80 km
3,262 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Bulancak 13 km · Espiye 27 km · Tirebolu 37 km · Ordu 42 km · Görele 53 km · Gürgentepe 68 km · Şebin Karahisar 70 km · Beşikdüzü 73 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%other 0%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Giresun (40.917°, 38.3874°, elevation 39 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).